Costco (COST) insiders reported notable stock sales in January, with Executive Vice President Teresa A. Jones selling 850 shares on January 21 at an average price of $986.26, generating proceeds of about $838K, while still holding over 4,200 shares. Director Susan L. Decker also trimmed her stake, selling 458 shares on January 16 at roughly $955 per share for proceeds of $437K, though she continues to retain a sizeable position of more than 8,500 shares.
Goldman Sachs (GS) saw heavy insider selling in mid-January, as Director David A. Viniar executed multiple transactions on January 16, unloading shares across three sales at prices ranging from about $964 to $971. In total, Viniar sold roughly 68,000 shares for more than $65M, though he continues to hold a substantial stake in the firm, with post-transaction holdings exceeding 750,000 shares.
Morgan Stanley (MS) insiders executed a wave of coordinated selling on January 20, with multiple senior executives—including the CFO, Co-President, and Chief Risk Officer—reducing their holdings at prices clustered around the mid-$180s. In aggregate, more than 104,000 shares were sold for roughly $19M, while all executives involved continue to hold meaningful stakes in the firm.
Argan (AGX) insiders reported sizeable stock sales in mid-January, with Director Cynthia Flanders selling 19,000 shares on January 21 at an average price of $386.70, totaling about $7.3M in proceeds. Director William F. Leimkuhler also reduced his position, selling just over 11,000 shares on January 16 at roughly $379 per share for about $4.2M, while both directors continue to hold meaningful stakes in the company.
GameStop (GME) disclosed aggressive insider buying this week, as President, CEO, and Chairman Ryan Cohen added 1 million shares across two purchases on January 20–21 at prices around $21 per share. The buys totaled roughly $21.4 million, lifting Cohen’s stake to more than 38.3 million shares and underscoring a strong vote of confidence from the company’s top executive.
Under Armour (UAA) saw substantial insider accumulation last week, as 10% owner Prem Watsa and related entities purchased shares across three consecutive sessions at prices between $5.60 and $5.89. In total, nearly 8.6 million shares were acquired for roughly $49.7 million, boosting the group’s ownership to just over 18 million shares and signaling strong conviction at current price levels.
Ally Financial (ALLY) disclosed insider buying late in the week, with CEO Michael George Rhodes purchasing 23,800 shares on January 23 at an average price of $41.68. The transaction totaled just under $1M and increased Rhodes’ holdings to 49,434 shares.
Mission Produce (AVO) attracted sustained insider buying over three consecutive sessions, as 10% owner Globalharvest Holdings Venture steadily added to its stake between January 15 and January 20 at prices ranging from $11.76 to $12.50. In total, more than 1.6 million shares were purchased for roughly $19.4M, lifting Globalharvest’s ownership to about 9.46M shares.